Lesson
Lesson-9.1.2- Describe and explain the relationship between Group number, number of outer shell electrons and metallic/non-metallic character.
No content available for this lesson.
Lesson-9.1.1- Describe the Periodic Table as a method of classifying elements and its use to predict properties of elements.PreviousLesson-9.1.3- Describe lithium, sodium and potassium in Group I as a collection of relatively soft metals showing a trend in melting point, density and reaction with water.Next